James Cumming & Sons Pty Ltd
James-Cumming - Industrial Graded Coal for Glass Furnace Colouration
Our premium industrial graded coal plays a pivotal role in glass furnaces during bottle production, controlling colour (from brown to green) and minimising variations.
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With consistent particle sizing, strict quality control, reliable fixed carbon content and low inherent moisture, C&S Brand Australian graded coal is a cost-effective glass colourisation solution. We collaborate with fellow manufacturers to tailor products for your specific application needs.
Packaging
- We carefully package graded coal in pallets with 48 multiwall paper sacks, each weighing 22.5kg, shrink wrapped.
- Alternatively, you can opt for 900kg or 1000kg woven polypropylene bulk bags, which feature a bottom spout discharge and four lifting lugs positioned on the top for ease of handling.
Sizing (Typical)
To Customer Specification AWWA B100
Uniformity Coefficient
To Customer Specification AWWA B100
Specific Gravity
1.45 ± 3% AS1145.5
Bulk Density
675kg/m3 ± 5% To AS3899
Hardgrove Grindability Index
50 max AS1038 Part 20
Acid Solubility 1:1 HCI
1% to AWWA B100
Fixed Carbon Content
55% minimum to AS1038.3
Inherent Moisture Content
3.5% maximum to AS1038.3